<template>
  <div class="app-container ruo-style-set">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      class="search-from"
    >
      <el-row :gutter="20">
        <el-col :span="7">
          <el-form-item label="菜单名称：" prop="menuName">
            <el-input
              v-model="queryParams.menuName"
              placeholder="请输入菜单名称"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item class="search-from-btn">
            <el-button type="primary" size="mini" @click="handleQuery"
              ><svg-icon
                icon-class="search_icon"
                style="width: 18px; height: 16px"
              />
              搜索</el-button
            >
            <el-button size="mini" @click="resetQuery"
              ><svg-icon
                icon-class="reset_icon"
                style="width: 18px; height: 16px"
              />
              重置</el-button
            >
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>

    <el-row :gutter="10" class="mb8 table-btn">
      <el-col :span="1.5">
        <el-button
          class="table-add-btn"
          type="primary"
          plain
          size="mini"
          @click="handleAdd"
          ><svg-icon icon-class="add_icon" style="width: 18px; height: 16px" />
          新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          class="table-open-btn"
          type="info"
          plain
          size="mini"
          @click="toggleExpandAll"
          ><svg-icon
            icon-class="table_open_icon"
            style="width: 18px; height: 16px"
          />
          展开/折叠</el-button
        >
      </el-col>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="menuList"
      row-key="menuId"
      :default-expand-all="isExpandAll"
      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
    >
      <el-table-column
        prop="menuName"
        label="菜单名称"
        :show-overflow-tooltip="true"
        width="160"
      ></el-table-column>
      <el-table-column
        prop="orderNum"
        label="排序"
        width="60"
      ></el-table-column>
      <el-table-column
        prop="component"
        label="请求地址"
        :show-overflow-tooltip="true"
      ></el-table-column>
      <el-table-column prop="status" label="类型" width="80">
        <template slot-scope="scope">
          <dict-tag
            :options="dict.type.sys_normal_disable"
            :value="scope.row.status"
          />
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="left"
        class-name="small-padding fixed-width operation"
        width="200"
      >
        <template slot-scope="scope">
          <el-button size="mini" type="text" @click="handleUpdate(scope.row)"
            ><svg-icon
              icon-class="table-column-edit"
              style="width: 16px; height: 16px"
            />
            编辑</el-button
          >
          <el-button size="mini" type="text" @click="handleDelete(scope.row)"
            ><svg-icon
              icon-class="table-column-delete"
              style="width: 16px; height: 16px"
            />
            删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="458px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单：" label-width="110px">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item
              label="菜单类型："
              prop="menuType"
              label-width="110px"
            >
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item
              label="菜单名称："
              prop="menuName"
              label-width="110px"
            >
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item prop="path">
              <span slot="label"> 路由地址 </span>
              <el-input v-model="form.path" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item
              label="请求地址："
              prop="component"
              label-width="110px"
            >
              <el-input v-model="form.component" placeholder="请输入请求地址" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item
              label="显示排序："
              prop="orderNum"
              label-width="110px"
            >
              <el-input
                v-model="form.orderNum"
                controls-position="right"
                :min="0"
              />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">保存</el-button>
        <el-button @click="cancel">返回</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listMenu,
  getMenu,
  delMenu,
  addMenu,
  updateMenu,
} from "@/api/system/menu";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "@/components/IconSelect";

export default {
  name: "Menu",
  dicts: ["sys_show_hide", "sys_normal_disable"],
  components: { Treeselect, IconSelect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部折叠
      isExpandAll: false,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [
          { required: true, message: "菜单名称不能为空", trigger: "blur" },
        ],
        orderNum: [
          { required: true, message: "菜单顺序不能为空", trigger: "blur" },
        ],
        menuType: [
          { required: true, message: "菜单类型不能为空", trigger: "blur" },
        ],
        path: [
          { required: true, message: "路由地址不能为空", trigger: "blur" },
        ],
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询菜单列表 */
    getList() {
      this.loading = true;
      listMenu(this.queryParams).then((response) => {
        this.menuList = this.handleTree(response.data, "menuId");
        this.loading = false;
      });
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children,
      };
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      listMenu().then((response) => {
        this.menuOptions = [];
        const menu = { menuId: 0, menuName: "主类目", children: [] };
        menu.children = this.handleTree(response.data, "menuId");
        this.menuOptions.push(menu);
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        menuType: "M",
        orderNum: undefined,
        isFrame: "1",
        isCache: "0",
        visible: "0",
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.menuId) {
        this.form.parentId = row.menuId;
      } else {
        this.form.parentId = 0;
      }
      this.open = true;
      this.title = "添加菜单";
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      getMenu(row.menuId).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改菜单";
      });
    },
    /** 提交按钮 */
    submitForm: function () {
      if (this.form.path === "/") {
        return this.$message.error('路由地址不能为"/"');
      }
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.menuId != undefined) {
            updateMenu(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addMenu(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$modal
        .confirm('是否确认删除名称为"' + row.menuName + '"的数据项？')
        .then(function () {
          return delMenu(row.menuId);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => { });
    },
  },
};
</script>
<style scoped lang="scss">
::v-deep .el-dialog {
  .el-input {
    width: 100%;
  }
}
::v-deep .el-dialog__body {
  .vue-treeselect__control {
    width: 100%;
  }
  .vue-treeselect__menu-container {
    width: 100%;
    left: 0;
  }
}
::v-deep .dialog-footer {
  button {
    width: 56px;
    height: 32px;
    border-radius: 3px;
    font-size: 16px;
  }
  .el-button--primary {
    background: #971111;
    color: rgba(255, 255, 255, 0.9);
    border-color: #971111;
  }
  .el-button--default {
    background: #e7e7e7;
    border-color: #e7e7e7;
    color: rgba(0, 0, 0, 0.9);
  }
}
</style>